class Student {
    String name;
    int age;
    String school = "A大学";

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }
    public void info() {
        System.out.println("姓名:" + this.name + ",年龄:" + this.age + ",学校:" + school);
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    private int getAge(){
        return age;
    }
    public void setAge(int age){
        this.age =age;
    }
    public static String getSchool(){
        return school;
    }
    public static void setSchool(String school){
        Student.school = school;
    }
}
class Example015 {
    public static void main(String[] args) {
        Student stu1 = new Student("张三", 18);
        Student stu2 = new Student("李四", 19);
        Student stu3 = new Student("王五", 20);
        stu1.setAge(20);
        stu1.setName("小明");
        stu1.info();
        stu2.info();
        stu3.info();
    }
}